Patent US2667786A successfully refreshed from Google Patents.
US2667786A
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US
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Capacitor pressure gauge
Assignee: Consolidated Engineering Co Inc
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Filing: 1950-02-11
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Granted: 1954-02-02
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Expires: 1970-02-11
Abstract
No abstract record available.
Inventors
- 👤 Carl P Spaulding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:52
CPC Classifications
G; G01; G01L; G01L13/00; G01L13/02; G01L13/025; G01L11/00; G01L11/004; G01L9/00; G01L9/0041; G01L9/0072; G01L9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |